If we exhaust the earth's resources, we can just turn to outer space to find more. 
user
Space exploration might provide opportunities, but is it right to look elsewhere before we've addressed our impact on Earth?
assistant
If we exhaust the earth's resources, we can just turn to outer space to find more. 
user
Why worry about Earth's resources? There's always Mars if things get too crowded here!
assistant
If we exhaust the earth's resources, we can just turn to outer space to find more. 
If we exhaust the earth's resources, we can just turn to outer space to find more. 